Jet Pump or Sprinkler Pump

Discussion in 'Pumps and Tanks Well Forum & Blog. Water is life.' started by aramtch, Sep 24, 2010.

  1. aramtch

    aramtch New Member

    Feb 12, 2008
    We have a 2 inch well that servies both our sprinkler system AND our home. The depth to water in my well is about 12'.

    I have a 60' horizontal run from the well to where my pump is - which sits about another 1 foot above the ground. Then our pump is hooked up to a pressure tank.

    I was able to hook up a 1HP shallow well jet pump, but was only able to pump about 9 GPM, while I need about 15-17 GPM.

    Someone suggested using a sprinkler pump instead - that it would supply the needed GPM. Would that work?

    Or would i be better off going with a 1-1/2 HP shallow well jet pump?

    The well is pretty much brand new and produces plenty of water (they were pumping probably 30-40GPM out of it when they hooked up a gas pump to it at the time of drilling).

    Thanks in advance for you guidance!
  2. valveman

    valveman Cary Austin Staff Member

    Mar 15, 2006
    Pump Controls Technician
    Lubbock, Texas
    Sprinkler pumps will give you volume but not pressure. Stay with a jet pump. You can even get multistage jet pumps if needed.
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  4. aramtch

    aramtch New Member

    Feb 12, 2008
    Great - thanks for your reply! With a sprinkler pump, would the installed pressure tank address the pressure issue? Or would it not even be able to fill the pressure tank past a certain PSI?
  5. masterpumpman

    masterpumpman New Member

    Mar 26, 2007
    Consult and Teach Well Drilling Internationally
    Virginia Beach, VA
    Forget using a sprinkler pump for house use as they wouldn't give you satisfactory pressure. Sprinkler pumps are for pumping water from a lake for sprinkler systems. Jet pumps will bulid sufficient pressure for home use but supply a limited amount of water.
    A 1-1/2 hp pump will pump more water and pressure but it still won't give you a big flow. My suggestion is to install an irrigation controller with more zones that require less flow per zone. Keep in mind you may still have limited water in the home when running the sprinklers.
    As Valveman suggested you may consider installing a multi-stage jet pump but they are more expensive.
  6. Thatguy

    Thatguy Homeowner

    Aug 27, 2008
    A bounty hunter like in "Raising Arizona"
    With your numbers and assuming 60% efficiency for the pump and 50 PSI I get about 0.5 hp. I think there is a problem in your system.

    HD 13 in feet
    Pressure 50 in PSI
    Equiv HD 128.5 in feet
    Flow rate 9 in GPM
    eff 60 in percent

    Power = 0.48723458 in hp
    Last edited: Sep 27, 2010
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